Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ronald L. Ream | Wm. Wrigley Jr. | 2 |
| 2 | John Hagemann | Plano Molding Company | 1 |
| 2 | James Schumaker | Plano Molding Company | 1 |
| 2 | Ben E. Jaeger | — | 1 |
| 2 | William F. Burns, III | M Ship Co., Llc. | 1 |
| 2 | Timothy A. Schaper | Caterpillar | 1 |
Part of Illinois